Development of zygotes outside the body of the female parent is a characteristic of
a. all fishes and amphibians.
b. many fishes, amphibians, reptiles, and birds.
c. all reptiles and birds.
d. reptiles, birds, and some amphibians.
Answer: b
Biology Questions and Answers.
a. all fishes and amphibians.
b. many fishes, amphibians, reptiles, and birds.
c. all reptiles and birds.
d. reptiles, birds, and some amphibians.
Answer: b